ostiary vs doorkeeper

ostiary and doorkeeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
ostiary	Yes	No	No	No
doorkeeper	Yes	No	No	No

As nouns, ostiary and doorkeeper are synonyms defined as:

Other synonyms of ostiary include door guard, doorman, gatekeeper, hall porter, porter.

As nouns, ostiary and doorkeeper are synonyms defined as:

ostiary and doorkeeper: the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church

Other synonyms of ostiary include ostiarius.

ostiary (noun)	doorkeeper (noun)
someone who guards an entrance	someone who guards an entrance
the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church	an official stationed at the entrance of a courtroom or legislative chamber
	the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church